It will auto offer to d/l the correct java and install it for you if u dont already have. Then just use the default option. Personally ive never managed to get sound to work even though i use high detail, but as i understand it the sound is nothing to write home about so ive never bothered with much past casual fiddling to try and get it working for me. I anyone else as a mac user could enlighten me i'd appreciate it btw. :)